base.cpp

/*
 *   Copyright (C) 2020 by Thomas Early N7TAE
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <cstdio>
#include <iostream>
#include <iomanip>

#include "base.h"

void CBase::Dump(const char *title, const void *pointer, int length)
{
	const unsigned char *data = (const unsigned char *)pointer;

	std::cout << title << std::endl;

	unsigned int offset = 0U;

	while (length > 0) {

		unsigned int bytes = (length > 16) ? 16U : length;

		for (unsigned i = 0U; i < bytes; i++) {
			if (i)
				std::cout << " ";
			std::cout << std::hex << std::setw(2) << std::right << std::setfill('0') << int(data[offset + i]) << std::dec;
		}

		for (unsigned int i = bytes; i < 16U; i++)
			std::cout << "   ";

		std::cout << "   *";

		for (unsigned i = 0U; i < bytes; i++) {
			unsigned char c = data[offset + i];

			if (::isprint(c))
				std::cout << c;
			else
				std::cout << '.';
		}

		std::cout << '*' << std::endl;

		offset += 16U;

		if (length >= 16)
			length -= 16;
		else
			length = 0;
	}
}